Which of the following is a feature of successful new products?

All of the following are characteristics of special possessions EXCEPT

How many protons are there in an atom of uranium whose mass number is 236?

How many protons and electrons are present in one bromide ion?

Which of the following elements is chemically similar to sodium?

A compound that is often used for dry cleaning contains carbon, hydrogen, and chlorine. Analysis of a sample shows that it contains 24.3% carbon, 4.1% hydrogen, and 71.6% chlorine. What is its empirical formula? (If you wish, you can show math work for possible partial credit.)

How many grams of sodium chloride, NaCl, are there in 550.0 mL of a 1.90 M aqueous solution of sodium chloride? 

What is the formula for the ionic compound formed by calcium ions and nitrite ions?

Barium sulfate contrast media is contraindicated (not recommended) in patients with:

Two isotopes of an element differ in their